Otherwise, the developer must pass component change events up to the owner.

否则，开发人员必须将组件的更改事件向上传递给所有者。

youdao

Respond to the service, component change, adjustment of engine and troubleshooting during the test period.

负责试验过程中的部件更换，发动机调整，故障排除及相关服务。

youdao

Respond to the service, component change, adjustment of engine and troubleshooting during the test period.

负责试验过程中的部件更换，发动机调整，故障排除及相关服务。

youdao